Home / 1,329,449.33-1,994,676.58-520,411.95

Finding the Fourth Proportional to 1,329,449.33, 1,994,676.58 and 520,411.95

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Solution

The fourth proportional to 1,329,449.33, 1,994,676.58 and 520,411.95 is: 780,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,449.33 : 1,994,676.58 = 520,411.95 : x
  2. Step 2: Convert to fraction form
    1,329,449.33/1,994,676.58 = 520,411.95/x
  3. Step 3: Cross multiply
    1,329,449.33x = 1,994,676.58 × 520,411.95
  4. Step 4: Simplify right side
    1,329,449.33x = 1,038,053,529,267.65
  5. Step 5: Solve for x
    x = 1,038,053,529,267.65/1,329,449.33
  6. Step 6: Final answer
    x = 780,814.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.